Home / 3,741.40-5,612.91-1,401.31

Finding the Fourth Proportional to 3,741.40, 5,612.91 and 1,401.31

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Solution

The fourth proportional to 3,741.40, 5,612.91 and 1,401.31 is: 2,102.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,741.40 : 5,612.91 = 1,401.31 : x
  2. Step 2: Convert to fraction form
    3,741.40/5,612.91 = 1,401.31/x
  3. Step 3: Cross multiply
    3,741.40x = 5,612.91 × 1,401.31
  4. Step 4: Simplify right side
    3,741.40x = 7,865,412.88
  5. Step 5: Solve for x
    x = 7,865,412.88/3,741.40
  6. Step 6: Final answer
    x = 2,102.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.